Asus USB Display via Artefatos de Tela Displaylink e Atraso do Touchpad

Question

Informações do sistema

Manufacturer: Micro-Star International Co., Ltd.
Product Name: GS63VR 7RF
Version: REV:1.0

Modelo de exibição

MB169B+

Versão do DisplayLink

1.4.210

Quando o monitor está conectado a uma porta USB, duas coisas acontecem:

1. O touchpad no laptop tem um atraso induzido em resposta
2. Quando você clica no mouse, um pequeno artefato aparece na tela mostrando pixels antigos (veja a captura de tela abaixo)

/var/log/syslogdepoisdeconectar,telaativa,desconectar(informaçõesidentificáveisremovidas):

Dec1716:54:58tom-GS63VR-7RFDisplayLinkManager[6074]:[libevdi]ioctl:drop_mastererror=-1Dec1716:54:58tom-GS63VR-7RFDisplayLinkManager[6074]:messagerepeated2times:[[libevdi]ioctl:drop_mastererror=-1]Dec1716:54:58tom-GS63VR-7RFsystemd[1]:StoppedDisplayLinkManagerService.Dec1716:55:07tom-GS63VR-7RFkernel:[1461.403436]usb2-2:newSuperSpeedUSBdevicenumber9usingxhci_hcdDec1716:55:07tom-GS63VR-7RFmtp-probe:checkingbus2,device9:"/sys/devices/pci0000:00/0000:00:14.0/usb2/2-2"
Dec 17 16:55:07 tom-GS63VR-7RF mtp-probe: bus: 2, device: 9 was not an MTP device
Dec 17 16:55:07 tom-GS63VR-7RF kernel: [ 1461.424021] usb 2-2: New USB device found, idVendor=17e9, idProduct=ff0b
Dec 17 16:55:07 tom-GS63VR-7RF kernel: [ 1461.424022] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Dec 17 16:55:07 tom-GS63VR-7RF kernel: [ 1461.424023] usb 2-2: Product: ASUSTEK MB169B+
Dec 17 16:55:07 tom-GS63VR-7RF kernel: [ 1461.424023] usb 2-2: Manufacturer: DisplayLink
Dec 17 16:55:07 tom-GS63VR-7RF kernel: [ 1461.424024] usb 2-2: SerialNumber: XXXXXXXXXXXX
Dec 17 16:55:07 tom-GS63VR-7RF org.freedesktop.fwupd[1262]: (fwupd:2828): libdfu-WARNING **: interface found, but not interface data
Dec 17 16:55:07 tom-GS63VR-7RF kernel: [ 1461.453340] [UFW BLOCK] IN=wlp62s0 OUT= MAC= SRC=fe80:0000:0000:0000:9a8e:55bc:1eca:a62e DST=ff02:0000:0000:0000:0000:0000:0000:0001 LEN=64 TC=0 HOPLIMIT=1 FLOWLBL=495965 PROTO=UDP SPT=8612 DPT=8612 LEN=24 
Dec 17 16:55:08 tom-GS63VR-7RF systemd[1]: Starting DisplayLink Manager Service...
Dec 17 16:55:08 tom-GS63VR-7RF sh[6198]: libkmod: ERROR ../libkmod/libkmod-config.c:635 kmod_config_parse: /etc/modprobe.d/local.conf line 1: ignoring bad line starting with 'drm_kms_helper'
Dec 17 16:55:08 tom-GS63VR-7RF systemd[1]: Started DisplayLink Manager Service.
Dec 17 16:55:10 tom-GS63VR-7RF kernel: [ 1464.219087] [UFW BLOCK] IN=wlp62s0 OUT= MAC=XXXXXXXXXXXX SRC=192.168.1.104 DST=192.168.1.192 LEN=348 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=1900 DPT=51943 LEN=328 
Dec 17 16:55:10 tom-GS63VR-7RF kernel: [ 1464.219780] [UFW BLOCK] IN=wlp62s0 OUT= MAC=XXXXXXXXXXXX SRC=192.168.1.100 DST=192.168.1.192 LEN=348 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=1900 DPT=51943 LEN=328 
Dec 17 16:55:10 tom-GS63VR-7RF kernel: [ 1464.220099] [UFW BLOCK] IN=wlp62s0 OUT= MAC=XXXXXXXXXXXX SRC=192.168.1.102 DST=192.168.1.192 LEN=348 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=1900 DPT=51943 LEN=328 
Dec 17 16:55:11 tom-GS63VR-7RF kernel: [ 1465.220638] [UFW BLOCK] IN=wlp62s0 OUT= MAC=XXXXXXXXXXXX SRC=192.168.1.102 DST=192.168.1.192 LEN=348 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=1900 DPT=51943 LEN=328 
Dec 17 16:55:11 tom-GS63VR-7RF kernel: [ 1465.220994] [UFW BLOCK] IN=wlp62s0 OUT= MAC=XXXXXXXXXXXX SRC=192.168.1.104 DST=192.168.1.192 LEN=348 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=1900 DPT=51943 LEN=328 
Dec 17 16:55:18 tom-GS63VR-7RF kernel: [ 1472.148228] evdi: [W] evdi_painter_disconnect:593 (dev=-1) An unknown connection to XXXXXXXXXXXX tries to close us
Dec 17 16:55:18 tom-GS63VR-7RF kernel: [ 1472.148228] evdi: [W] evdi_painter_disconnect:594  - ignoring
Dec 17 16:55:18 tom-GS63VR-7RF kernel: [ 1472.152436] evdi: [D] evdi_painter_connect:572 (dev=2) Connected with XXXXXXXXXXXX
Dec 17 16:55:18 tom-GS63VR-7RF kernel: [ 1472.152437] evdi: [D] evdi_detect:75 (dev=2) Painter is connected
Dec 17 16:55:18 tom-GS63VR-7RF kernel: [ 1472.152473] evdi: [D] evdi_painter_crtc_state_notify:481 (dev=2) Notifying crtc state: 3
Dec 17 16:55:18 tom-GS63VR-7RF kernel: [ 1472.153428] evdi: [D] evdi_detect:75 (dev=2) Painter is connected
Dec 17 16:55:18 tom-GS63VR-7RF kernel: [ 1472.153430] evdi: [D] evdi_painter_get_edid_copy:215 (dev=2) 00 ff ff
Dec 17 16:55:18 tom-GS63VR-7RF kernel: [ 1472.182767] evdi: [D] evdi_painter_mode_changed_notify:505 (dev=2) Notifying mode changed: 1920x1080@60; bpp 32; 
Dec 17 16:55:18 tom-GS63VR-7RF kernel: [ 1472.182768] evdi: [D] evdi_painter_mode_changed_notify:506 pixel format 875713112
Dec 17 16:55:18 tom-GS63VR-7RF kernel: [ 1472.182772] evdi: [D] evdi_painter_crtc_state_notify:481 (dev=2) Notifying crtc state: 0
Dec 17 16:55:18 tom-GS63VR-7RF kernel: [ 1472.182773] evdi: [D] evdi_painter_dpms_notify:468 (dev=2) Notifying dpms mode: 0
Dec 17 16:55:26 tom-GS63VR-7RF kernel: [ 1480.071507] xhci_hcd 0000:00:14.0: Cannot set link state.
Dec 17 16:55:26 tom-GS63VR-7RF kernel: [ 1480.071520] usb usb2-port2: cannot disable (err = -32)
Dec 17 16:55:26 tom-GS63VR-7RF kernel: [ 1480.071534] usb 2-2: USB disconnect, device number 9
Dec 17 16:55:26 tom-GS63VR-7RF kernel: [ 1480.075859] evdi: [D] evdi_painter_disconnect:611 (dev=2) Disconnected from XXXXXXXXXXXX
Dec 17 16:55:26 tom-GS63VR-7RF kernel: [ 1480.075864] evdi: [D] evdi_detect:78 Painter is disconnected
Dec 17 16:55:26 tom-GS63VR-7RF kernel: [ 1480.076209] evdi: [W] evdi_painter_disconnect:593 (dev=-1) An unknown connection to XXXXXXXXXXXX tries to close us
Dec 17 16:55:26 tom-GS63VR-7RF kernel: [ 1480.076212] evdi: [W] evdi_painter_disconnect:594  - ignoring
Dec 17 16:55:26 tom-GS63VR-7RF kernel: [ 1480.077639] evdi: [D] evdi_detect:78 Painter is disconnected
Dec 17 16:55:26 tom-GS63VR-7RF systemd[1]: Stopping DisplayLink Manager Service...
Dec 17 16:55:26 tom-GS63VR-7RF kernel: [ 1480.093468] evdi: [D] evdi_painter_crtc_state_notify:481 (dev=-1) Notifying crtc state: 3
Dec 17 16:55:26 tom-GS63VR-7RF kernel: [ 1480.093469] evdi: [W] evdi_painter_send_crtc_state:387 Painter is not connected!
Dec 17 16:55:26 tom-GS63VR-7RF kernel: [ 1480.098596] [UFW BLOCK] IN=wlp62s0 OUT= MAC= SRC=fe80:0000:0000:0000:9a8e:55bc:1eca:a62e DST=ff02:0000:0000:0000:0000:0000:0000:0001 LEN=64 TC=0 HOPLIMIT=1 FLOWLBL=495965 PROTO=UDP SPT=8612 DPT=8612 LEN=24 
Dec 17 16:55:27 tom-GS63VR-7RF DisplayLinkManager[6207]: [libevdi] ioctl: drop_master error=-1
Dec 17 16:55:27 tom-GS63VR-7RF DisplayLinkManager[6207]: message repeated 2 times: [ [libevdi] ioctl: drop_master error=-1]
Dec 17 16:55:27 tom-GS63VR-7RF systemd[1]: Stopped DisplayLink Manager Service.

    

Answer 1

Para o funcionamento correto do dispositivo DisplayLink, você precisa instale o driver mais recente do DisplayLink para o Ubuntu

Links:

• Lançamento do software DisplayLink mais recente do Ubuntu
• Como instalar o software DisplayLink no Ubuntu